question: What sentence would provide a factual answer to this question: "Candace pushed a button outside her friend's house and a buzzer went off inside the house."

answer: pushing a button sometimes completes a circuit


question: What sentence would provide a factual answer to this question: "The mass of ground sliding down an embankment can be propagated by what?"

answer: storms can cause a landslide


question: What sentence would provide a factual answer to this question: "Webbed feet are used to move faster through what?"

answer:
webbed feet are used for moving faster through water by aquatic animals